Mathematics
Grade10
Easy

Question

For the function f left parenthesis x right parenthesis equals 5 x minus 7 comma f left parenthesis 0 right parenthesis minus f left parenthesis 1 right parenthesis

  1. -7
  2. -5
  3. -2
  4. -1

hintHint:

In this question function f(x) is given we have find f(0)- f(1) for this first we will find the value of f(0) and f(1) then we will subtract the results.

The correct answer is: -5


    Given function f left parenthesis x right parenthesis equals 5 x minus 7
    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell f left parenthesis 0 right parenthesis equals 5 cross times 0 minus 7 equals 0 minus 7 equals negative 7 end cell row cell f left parenthesis 1 right parenthesis equals 5 cross times 1 minus 7 equals 5 minus 7 equals negative 2 end cell row cell f left parenthesis 0 right parenthesis minus f left parenthesis 1 right parenthesis equals negative 7 minus left parenthesis negative 2 right parenthesis equals negative 7 plus 2 equals negative 5 end cell end table
    So, the value of f left parenthesis 0 right parenthesis minus f left parenthesis 1 right parenthesis is -5

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